Light bar for a vehicle



FIG. 1 is a front plan view of a light bar for a vehicle showing my new design.

FIG. 2 is a left side, front perspective view of the light bar for a vehicle of FIG. 1.

FIG. 3 is a top side, rear perspective view of the light bar for a vehicle of FIG. 1; and,

FIG. 4 is a bottom side, rear perspective view of the light bar for a vehicle of FIG. 1.

The broken lines represent portions of the light bar for a vehicle that form no part of the claim. 

CLAIM The ornamental design for a light bar for a vehicle, as shown and described. 